Module: Sequel::Oracle::DatasetMethods

Includes:: Dataset::UnsupportedIntersectExceptAll

Included in:: JDBC::Oracle::Dataset, Dataset

Defined in:: lib/sequel_core/adapters/shared/oracle.rb

Constant Summary collapse

SELECT_CLAUSE_ORDER =

%w'distinct columns from join where group having union intersect except order limit'.freeze

Instance Method Summary collapse

#empty? ⇒ Boolean

Instance Method Details

#empty? ⇒ `Boolean`

Returns:

(Boolean)



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# File 'lib/sequel_core/adapters/shared/oracle.rb', line 20

def empty?
  db[:dual].where(exists).get(1) == nil
end